concoctail, meaning quite literally, to create a previously un-named cocktail out of various alcohol and drinkstuffs in an attempt to become intoxicated.
The literal act of concoction, with a variety of spirits, and one or more mixer liquids.

'We were all real poor, so we just dug out all the booze from the liquor cupboard, and put it all together...we made a wicked concoctail!'

'Nah, it doesn't have a name, we just slung it all together...it's a concoctail, really.'